2010-01-17 01:53:50 +08:00
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#define JEMALLOC_STATS_C_
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2010-01-17 17:49:20 +08:00
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#include "internal/jemalloc_internal.h"
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2010-01-17 01:53:50 +08:00
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2010-01-28 05:10:55 +08:00
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#define CTL_GET(n, v, t) do { \
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size_t sz = sizeof(t); \
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xmallctl(n, v, &sz, NULL, 0); \
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} while (0)
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#define CTL_I_GET(n, v, t) do { \
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size_t mib[6]; \
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size_t miblen = sizeof(mib) / sizeof(size_t); \
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size_t sz = sizeof(t); \
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xmallctlnametomib(n, mib, &miblen); \
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mib[2] = i; \
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xmallctlbymib(mib, miblen, v, &sz, NULL, 0); \
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} while (0)
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#define CTL_J_GET(n, v, t) do { \
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size_t mib[6]; \
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size_t miblen = sizeof(mib) / sizeof(size_t); \
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size_t sz = sizeof(t); \
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xmallctlnametomib(n, mib, &miblen); \
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mib[2] = j; \
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xmallctlbymib(mib, miblen, v, &sz, NULL, 0); \
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} while (0)
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#define CTL_IJ_GET(n, v, t) do { \
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size_t mib[6]; \
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size_t miblen = sizeof(mib) / sizeof(size_t); \
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size_t sz = sizeof(t); \
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xmallctlnametomib(n, mib, &miblen); \
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mib[2] = i; \
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mib[4] = j; \
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xmallctlbymib(mib, miblen, v, &sz, NULL, 0); \
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} while (0)
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2010-01-17 01:53:50 +08:00
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/******************************************************************************/
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/* Data. */
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bool opt_stats_print = false;
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2010-01-18 07:49:25 +08:00
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/******************************************************************************/
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/* Function prototypes for non-inline static functions. */
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2010-01-28 05:10:55 +08:00
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#ifdef JEMALLOC_STATS
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static void malloc_vcprintf(void (*write4)(void *, const char *,
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const char *, const char *, const char *), void *w4opaque,
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const char *format, va_list ap);
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static void stats_arena_bins_print(void (*write4)(void *, const char *,
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const char *, const char *, const char *), void *w4opaque, unsigned i);
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static void stats_arena_lruns_print(void (*write4)(void *, const char *,
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const char *, const char *, const char *), void *w4opaque, unsigned i);
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static void stats_arena_print(void (*write4)(void *, const char *,
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const char *, const char *, const char *), void *w4opaque, unsigned i);
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#endif
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2010-01-18 07:49:25 +08:00
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2010-01-17 01:53:50 +08:00
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/******************************************************************************/
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/*
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* We don't want to depend on vsnprintf() for production builds, since that can
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* cause unnecessary bloat for static binaries. umax2s() provides minimal
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* integer printing functionality, so that malloc_printf() use can be limited to
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* JEMALLOC_STATS code.
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*/
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char *
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umax2s(uintmax_t x, unsigned base, char *s)
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{
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unsigned i;
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i = UMAX2S_BUFSIZE - 1;
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s[i] = '\0';
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switch (base) {
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case 10:
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do {
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i--;
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s[i] = "0123456789"[x % 10];
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x /= 10;
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} while (x > 0);
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break;
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case 16:
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do {
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i--;
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s[i] = "0123456789abcdef"[x & 0xf];
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x >>= 4;
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} while (x > 0);
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break;
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default:
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do {
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i--;
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s[i] = "0123456789abcdefghijklmnopqrstuvwxyz"[x % base];
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x /= base;
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} while (x > 0);
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}
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return (&s[i]);
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}
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#ifdef JEMALLOC_STATS
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2010-01-18 07:49:25 +08:00
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static void
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2010-01-20 04:11:25 +08:00
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malloc_vcprintf(void (*write4)(void *, const char *, const char *, const char *,
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const char *), void *w4opaque, const char *format, va_list ap)
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2010-01-18 07:49:25 +08:00
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{
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char buf[4096];
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if (write4 == NULL) {
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/*
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* The caller did not provide an alternate write4 callback
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* function, so use the default one. malloc_write4() is an
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* inline function, so use malloc_message() directly here.
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*/
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write4 = JEMALLOC_P(malloc_message);
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2010-01-20 04:11:25 +08:00
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w4opaque = NULL;
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2010-01-18 07:49:25 +08:00
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}
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vsnprintf(buf, sizeof(buf), format, ap);
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2010-01-20 04:11:25 +08:00
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write4(w4opaque, buf, "", "", "");
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2010-01-18 07:49:25 +08:00
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}
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/*
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* Print to a callback function in such a way as to (hopefully) avoid memory
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* allocation.
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*/
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2010-01-20 04:11:25 +08:00
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JEMALLOC_ATTR(format(printf, 3, 4))
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2010-01-18 07:49:25 +08:00
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void
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2010-01-20 04:11:25 +08:00
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malloc_cprintf(void (*write4)(void *, const char *, const char *, const char *,
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const char *), void *w4opaque, const char *format, ...)
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2010-01-18 07:49:25 +08:00
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{
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va_list ap;
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va_start(ap, format);
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2010-01-20 04:11:25 +08:00
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malloc_vcprintf(write4, w4opaque, format, ap);
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2010-01-18 07:49:25 +08:00
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va_end(ap);
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}
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2010-01-17 01:53:50 +08:00
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/*
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* Print to stderr in such a way as to (hopefully) avoid memory allocation.
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*/
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2010-01-18 07:49:25 +08:00
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JEMALLOC_ATTR(format(printf, 1, 2))
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2010-01-17 01:53:50 +08:00
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void
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malloc_printf(const char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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2010-01-20 04:11:25 +08:00
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malloc_vcprintf(NULL, NULL, format, ap);
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2010-01-17 01:53:50 +08:00
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va_end(ap);
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}
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#endif
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2010-01-28 05:10:55 +08:00
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#ifdef JEMALLOC_STATS
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static void
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stats_arena_bins_print(void (*write4)(void *, const char *, const char *,
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const char *, const char *), void *w4opaque, unsigned i)
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{
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size_t pagesize;
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bool config_tcache;
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unsigned nbins, j, gap_start;
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CTL_GET("arenas.pagesize", &pagesize, size_t);
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CTL_GET("config.tcache", &config_tcache, bool);
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if (config_tcache) {
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malloc_cprintf(write4, w4opaque,
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"bins: bin size regs pgs nrequests "
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"nfills nflushes newruns reruns maxruns curruns\n");
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} else {
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malloc_cprintf(write4, w4opaque,
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"bins: bin size regs pgs nrequests "
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"newruns reruns maxruns curruns\n");
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}
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CTL_GET("arenas.nbins", &nbins, unsigned);
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for (j = 0, gap_start = UINT_MAX; j < nbins; j++) {
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uint64_t nruns;
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CTL_IJ_GET("stats.arenas.0.bins.0.nruns", &nruns, uint64_t);
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if (nruns == 0) {
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if (gap_start == UINT_MAX)
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gap_start = j;
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} else {
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unsigned ntbins_, nqbins, ncbins, nsbins;
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size_t reg_size, run_size;
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uint32_t nregs;
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uint64_t nrequests, nfills, nflushes, reruns;
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size_t highruns, curruns;
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if (gap_start != UINT_MAX) {
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if (j > gap_start + 1) {
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/* Gap of more than one size class. */
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malloc_cprintf(write4, w4opaque,
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"[%u..%u]\n", gap_start,
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j - 1);
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} else {
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/* Gap of one size class. */
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malloc_cprintf(write4, w4opaque,
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"[%u]\n", gap_start);
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}
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gap_start = UINT_MAX;
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}
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CTL_GET("arenas.ntbins", &ntbins_, unsigned);
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CTL_GET("arenas.nqbins", &nqbins, unsigned);
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CTL_GET("arenas.ncbins", &ncbins, unsigned);
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CTL_GET("arenas.nsbins", &nsbins, unsigned);
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CTL_J_GET("arenas.bin.0.size", ®_size, size_t);
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CTL_J_GET("arenas.bin.0.nregs", &nregs, uint32_t);
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CTL_J_GET("arenas.bin.0.run_size", &run_size, size_t);
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CTL_IJ_GET("stats.arenas.0.bins.0.nrequests",
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&nrequests, uint64_t);
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if (config_tcache) {
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CTL_IJ_GET("stats.arenas.0.bins.0.nfills",
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&nfills, uint64_t);
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CTL_IJ_GET("stats.arenas.0.bins.0.nflushes",
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&nflushes, uint64_t);
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}
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CTL_IJ_GET("stats.arenas.0.bins.0.nreruns", &reruns,
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uint64_t);
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CTL_IJ_GET("stats.arenas.0.bins.0.highruns", &highruns,
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size_t);
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CTL_IJ_GET("stats.arenas.0.bins.0.curruns", &curruns,
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size_t);
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if (config_tcache) {
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malloc_cprintf(write4, w4opaque,
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"%13u %1s %5u %4u %3u %10"PRIu64" %9"PRIu64
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" %9"PRIu64" %9"PRIu64""
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" %9"PRIu64" %7zu %7zu\n",
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j,
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j < ntbins_ ? "T" : j < ntbins_ + nqbins ?
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"Q" : j < ntbins_ + nqbins + ncbins ? "C" :
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j < ntbins_ + nqbins + ncbins + nsbins ? "S"
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: "M",
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reg_size, nregs, run_size / pagesize,
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nrequests, nfills, nflushes, nruns, reruns,
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highruns, curruns);
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} else {
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malloc_cprintf(write4, w4opaque,
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"%13u %1s %5u %4u %3u %10"PRIu64" %9"PRIu64
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" %9"PRIu64" %7zu %7zu\n",
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j,
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j < ntbins_ ? "T" : j < ntbins_ + nqbins ?
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"Q" : j < ntbins_ + nqbins + ncbins ? "C" :
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j < ntbins_ + nqbins + ncbins + nsbins ? "S"
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: "M",
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reg_size, nregs, run_size / pagesize,
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nrequests, nruns, reruns, highruns,
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curruns);
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}
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}
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}
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if (gap_start != UINT_MAX) {
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if (j > gap_start + 1) {
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/* Gap of more than one size class. */
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malloc_cprintf(write4, w4opaque, "[%u..%u]\n",
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gap_start, j - 1);
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} else {
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/* Gap of one size class. */
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malloc_cprintf(write4, w4opaque, "[%u]\n", gap_start);
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}
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}
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}
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static void
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stats_arena_lruns_print(void (*write4)(void *, const char *, const char *,
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const char *, const char *), void *w4opaque, unsigned i)
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{
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size_t pagesize, nlruns, j;
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ssize_t gap_start;
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CTL_GET("arenas.pagesize", &pagesize, size_t);
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malloc_cprintf(write4, w4opaque,
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"large: size pages nrequests maxruns curruns\n");
|
2010-01-30 03:24:19 +08:00
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CTL_GET("arenas.nlruns", &nlruns, size_t);
|
2010-01-28 05:10:55 +08:00
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for (j = 0, gap_start = -1; j < nlruns; j++) {
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uint64_t nrequests;
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size_t run_size, highruns, curruns;
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CTL_IJ_GET("stats.arenas.0.lruns.0.nrequests", &nrequests,
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uint64_t);
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if (nrequests == 0) {
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if (gap_start == -1)
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gap_start = j;
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} else {
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CTL_J_GET("arenas.lrun.0.size", &run_size, size_t);
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CTL_IJ_GET("stats.arenas.0.lruns.0.highruns", &highruns,
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size_t);
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CTL_IJ_GET("stats.arenas.0.lruns.0.curruns", &curruns,
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size_t);
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if (gap_start != -1) {
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malloc_cprintf(write4, w4opaque, "[%zu]\n",
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j - gap_start);
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gap_start = -1;
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}
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malloc_cprintf(write4, w4opaque,
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"%13zu %5zu %9"PRIu64" %9zu %9zu\n",
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run_size, run_size / pagesize, nrequests, highruns,
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curruns);
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}
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}
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if (gap_start != -1)
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malloc_cprintf(write4, w4opaque, "[%zu]\n", j - gap_start);
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}
|
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|
|
static void
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|
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stats_arena_print(void (*write4)(void *, const char *, const char *,
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|
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const char *, const char *), void *w4opaque, unsigned i)
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|
|
{
|
2010-01-30 03:24:19 +08:00
|
|
|
size_t pagesize, pactive, pdirty, mapped;
|
2010-01-28 05:10:55 +08:00
|
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|
uint64_t npurge, nmadvise, purged;
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|
|
size_t small_allocated;
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|
|
uint64_t small_nmalloc, small_ndalloc;
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|
|
size_t medium_allocated;
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|
|
uint64_t medium_nmalloc, medium_ndalloc;
|
|
|
|
size_t large_allocated;
|
|
|
|
uint64_t large_nmalloc, large_ndalloc;
|
|
|
|
|
2010-01-30 03:24:19 +08:00
|
|
|
CTL_GET("arenas.pagesize", &pagesize, size_t);
|
|
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|
2010-01-28 05:10:55 +08:00
|
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|
CTL_I_GET("stats.arenas.0.pactive", &pactive, size_t);
|
|
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|
CTL_I_GET("stats.arenas.0.pdirty", &pdirty, size_t);
|
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|
CTL_I_GET("stats.arenas.0.npurge", &npurge, uint64_t);
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|
CTL_I_GET("stats.arenas.0.nmadvise", &nmadvise, uint64_t);
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|
|
CTL_I_GET("stats.arenas.0.purged", &purged, uint64_t);
|
|
|
|
malloc_cprintf(write4, w4opaque,
|
|
|
|
"dirty pages: %zu:%zu active:dirty, %"PRIu64" sweep%s,"
|
|
|
|
" %"PRIu64" madvise%s, %"PRIu64" purged\n",
|
|
|
|
pactive, pdirty, npurge, npurge == 1 ? "" : "s",
|
|
|
|
nmadvise, nmadvise == 1 ? "" : "s", purged);
|
|
|
|
|
|
|
|
malloc_cprintf(write4, w4opaque,
|
|
|
|
" allocated nmalloc ndalloc\n");
|
|
|
|
CTL_I_GET("stats.arenas.0.small.allocated", &small_allocated, size_t);
|
|
|
|
CTL_I_GET("stats.arenas.0.small.nmalloc", &small_nmalloc, uint64_t);
|
|
|
|
CTL_I_GET("stats.arenas.0.small.ndalloc", &small_ndalloc, uint64_t);
|
|
|
|
malloc_cprintf(write4, w4opaque,
|
|
|
|
"small: %12zu %12"PRIu64" %12"PRIu64"\n",
|
|
|
|
small_allocated, small_nmalloc, small_ndalloc);
|
|
|
|
CTL_I_GET("stats.arenas.0.medium.allocated", &medium_allocated, size_t);
|
|
|
|
CTL_I_GET("stats.arenas.0.medium.nmalloc", &medium_nmalloc, uint64_t);
|
|
|
|
CTL_I_GET("stats.arenas.0.medium.ndalloc", &medium_ndalloc, uint64_t);
|
|
|
|
malloc_cprintf(write4, w4opaque,
|
|
|
|
"medium: %12zu %12"PRIu64" %12"PRIu64"\n",
|
|
|
|
medium_allocated, medium_nmalloc, medium_ndalloc);
|
|
|
|
CTL_I_GET("stats.arenas.0.large.allocated", &large_allocated, size_t);
|
|
|
|
CTL_I_GET("stats.arenas.0.large.nmalloc", &large_nmalloc, uint64_t);
|
|
|
|
CTL_I_GET("stats.arenas.0.large.ndalloc", &large_ndalloc, uint64_t);
|
|
|
|
malloc_cprintf(write4, w4opaque,
|
|
|
|
"large: %12zu %12"PRIu64" %12"PRIu64"\n",
|
|
|
|
large_allocated, large_nmalloc, large_ndalloc);
|
|
|
|
malloc_cprintf(write4, w4opaque,
|
|
|
|
"total: %12zu %12"PRIu64" %12"PRIu64"\n",
|
|
|
|
small_allocated + medium_allocated + large_allocated,
|
|
|
|
small_nmalloc + medium_nmalloc + large_nmalloc,
|
|
|
|
small_ndalloc + medium_ndalloc + large_ndalloc);
|
2010-01-30 03:24:19 +08:00
|
|
|
malloc_cprintf(write4, w4opaque, "active: %12zu\n",
|
|
|
|
pactive * pagesize );
|
2010-01-28 05:10:55 +08:00
|
|
|
CTL_I_GET("stats.arenas.0.mapped", &mapped, size_t);
|
|
|
|
malloc_cprintf(write4, w4opaque, "mapped: %12zu\n", mapped);
|
|
|
|
|
|
|
|
stats_arena_bins_print(write4, w4opaque, i);
|
|
|
|
stats_arena_lruns_print(write4, w4opaque, i);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2010-01-17 01:53:50 +08:00
|
|
|
void
|
2010-01-24 18:53:40 +08:00
|
|
|
stats_print(void (*write4)(void *, const char *, const char *, const char *,
|
|
|
|
const char *), void *w4opaque, const char *opts)
|
2010-01-17 01:53:50 +08:00
|
|
|
{
|
2010-01-28 05:10:55 +08:00
|
|
|
uint64_t epoch;
|
|
|
|
size_t u64sz;
|
2010-01-17 01:53:50 +08:00
|
|
|
char s[UMAX2S_BUFSIZE];
|
|
|
|
bool general = true;
|
2010-01-18 09:35:19 +08:00
|
|
|
bool merged = true;
|
|
|
|
bool unmerged = true;
|
2010-01-17 01:53:50 +08:00
|
|
|
bool bins = true;
|
|
|
|
bool large = true;
|
|
|
|
|
2010-01-28 05:10:55 +08:00
|
|
|
/* Refresh stats, in case mallctl() was called by the application. */
|
|
|
|
epoch = 1;
|
|
|
|
u64sz = sizeof(uint64_t);
|
|
|
|
xmallctl("epoch", &epoch, &u64sz, &epoch, sizeof(uint64_t));
|
|
|
|
|
2010-01-18 07:49:25 +08:00
|
|
|
if (write4 == NULL) {
|
|
|
|
/*
|
|
|
|
* The caller did not provide an alternate write4 callback
|
|
|
|
* function, so use the default one. malloc_write4() is an
|
|
|
|
* inline function, so use malloc_message() directly here.
|
|
|
|
*/
|
|
|
|
write4 = JEMALLOC_P(malloc_message);
|
2010-01-20 04:11:25 +08:00
|
|
|
w4opaque = NULL;
|
2010-01-18 07:49:25 +08:00
|
|
|
}
|
|
|
|
|
2010-01-17 01:53:50 +08:00
|
|
|
if (opts != NULL) {
|
|
|
|
unsigned i;
|
|
|
|
|
|
|
|
for (i = 0; opts[i] != '\0'; i++) {
|
|
|
|
switch (opts[i]) {
|
|
|
|
case 'g':
|
|
|
|
general = false;
|
|
|
|
break;
|
2010-01-18 09:35:19 +08:00
|
|
|
case 'm':
|
|
|
|
merged = false;
|
|
|
|
break;
|
|
|
|
case 'a':
|
|
|
|
unmerged = false;
|
|
|
|
break;
|
2010-01-17 01:53:50 +08:00
|
|
|
case 'b':
|
|
|
|
bins = false;
|
|
|
|
break;
|
|
|
|
case 'l':
|
|
|
|
large = false;
|
|
|
|
break;
|
|
|
|
default:;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-01-20 04:11:25 +08:00
|
|
|
write4(w4opaque, "___ Begin jemalloc statistics ___\n", "", "", "");
|
2010-01-17 01:53:50 +08:00
|
|
|
if (general) {
|
2010-01-28 05:10:55 +08:00
|
|
|
int err;
|
|
|
|
bool bv;
|
|
|
|
unsigned uv;
|
|
|
|
ssize_t ssv;
|
2010-01-30 03:24:19 +08:00
|
|
|
size_t sv, bsz, ssz;
|
2010-01-28 05:10:55 +08:00
|
|
|
|
|
|
|
bsz = sizeof(bool);
|
|
|
|
ssz = sizeof(size_t);
|
|
|
|
|
|
|
|
CTL_GET("config.debug", &bv, bool);
|
|
|
|
write4(w4opaque, "Assertions ", bv ? "enabled" : "disabled",
|
2010-01-17 01:53:50 +08:00
|
|
|
"\n", "");
|
2010-01-28 05:10:55 +08:00
|
|
|
|
|
|
|
write4(w4opaque, "Boolean JEMALLOC_OPTIONS: ", "", "", "");
|
|
|
|
if ((err = mallctl("opt.abort", &bv, &bsz, NULL, 0)) == 0)
|
|
|
|
write4(w4opaque, bv ? "A" : "a", "", "", "");
|
|
|
|
if ((err = mallctl("opt.junk", &bv, &bsz, NULL, 0)) == 0)
|
|
|
|
write4(w4opaque, bv ? "J" : "j", "", "", "");
|
|
|
|
if ((err = mallctl("opt.overcommit", &bv, &bsz, NULL, 0)) == 0)
|
|
|
|
write4(w4opaque, bv ? "O" : "o", "", "", "");
|
2010-01-20 04:11:25 +08:00
|
|
|
write4(w4opaque, "P", "", "", "");
|
2010-01-28 05:10:55 +08:00
|
|
|
if ((err = mallctl("opt.trace", &bv, &bsz, NULL, 0)) == 0)
|
|
|
|
write4(w4opaque, bv ? "T" : "t", "", "", "");
|
|
|
|
if ((err = mallctl("opt.sysv", &bv, &bsz, NULL, 0)) == 0)
|
|
|
|
write4(w4opaque, bv ? "V" : "v", "", "", "");
|
|
|
|
if ((err = mallctl("opt.xmalloc", &bv, &bsz, NULL, 0)) == 0)
|
|
|
|
write4(w4opaque, bv ? "X" : "x", "", "", "");
|
|
|
|
if ((err = mallctl("opt.zero", &bv, &bsz, NULL, 0)) == 0)
|
|
|
|
write4(w4opaque, bv ? "Z" : "z", "", "", "");
|
2010-01-20 04:11:25 +08:00
|
|
|
write4(w4opaque, "\n", "", "", "");
|
2010-01-17 01:53:50 +08:00
|
|
|
|
2010-01-20 04:11:25 +08:00
|
|
|
write4(w4opaque, "CPUs: ", umax2s(ncpus, 10, s), "\n", "");
|
2010-01-28 05:10:55 +08:00
|
|
|
|
|
|
|
CTL_GET("arenas.narenas", &uv, unsigned);
|
|
|
|
write4(w4opaque, "Max arenas: ", umax2s(uv, 10, s), "\n", "");
|
|
|
|
|
2010-01-20 04:11:25 +08:00
|
|
|
write4(w4opaque, "Pointer size: ", umax2s(sizeof(void *), 10,
|
|
|
|
s), "\n", "");
|
2010-01-28 05:10:55 +08:00
|
|
|
|
|
|
|
CTL_GET("arenas.quantum", &sv, size_t);
|
|
|
|
write4(w4opaque, "Quantum size: ", umax2s(sv, 10, s), "\n", "");
|
|
|
|
|
|
|
|
CTL_GET("arenas.cacheline", &sv, size_t);
|
|
|
|
write4(w4opaque, "Cacheline size (assumed): ", umax2s(sv, 10,
|
|
|
|
s), "\n", "");
|
|
|
|
|
|
|
|
CTL_GET("arenas.subpage", &sv, size_t);
|
|
|
|
write4(w4opaque, "Subpage spacing: ", umax2s(sv, 10, s), "\n",
|
2010-01-17 01:53:50 +08:00
|
|
|
"");
|
2010-01-28 05:10:55 +08:00
|
|
|
|
|
|
|
CTL_GET("arenas.medium", &sv, size_t);
|
|
|
|
write4(w4opaque, "Medium spacing: ", umax2s(sv, 10, s), "\n",
|
2010-01-20 04:11:25 +08:00
|
|
|
"");
|
2010-01-28 05:10:55 +08:00
|
|
|
|
|
|
|
if ((err = mallctl("arenas.tspace_min", &sv, &ssz, NULL, 0)) ==
|
|
|
|
0) {
|
|
|
|
write4(w4opaque, "Tiny 2^n-spaced sizes: [", umax2s(sv,
|
|
|
|
10, s), "..", "");
|
|
|
|
|
|
|
|
CTL_GET("arenas.tspace_max", &sv, size_t);
|
|
|
|
write4(w4opaque, umax2s(sv, 10, s), "]\n", "", "");
|
|
|
|
}
|
|
|
|
|
|
|
|
CTL_GET("arenas.qspace_min", &sv, size_t);
|
|
|
|
write4(w4opaque, "Quantum-spaced sizes: [", umax2s(sv, 10, s),
|
2010-01-18 07:49:25 +08:00
|
|
|
"..", "");
|
2010-01-28 05:10:55 +08:00
|
|
|
CTL_GET("arenas.qspace_max", &sv, size_t);
|
|
|
|
write4(w4opaque, umax2s(sv, 10, s), "]\n", "", "");
|
|
|
|
|
|
|
|
CTL_GET("arenas.cspace_min", &sv, size_t);
|
|
|
|
write4(w4opaque, "Cacheline-spaced sizes: [", umax2s(sv, 10, s),
|
|
|
|
"..", "");
|
|
|
|
CTL_GET("arenas.cspace_max", &sv, size_t);
|
|
|
|
write4(w4opaque, umax2s(sv, 10, s), "]\n", "", "");
|
|
|
|
|
|
|
|
CTL_GET("arenas.sspace_min", &sv, size_t);
|
|
|
|
write4(w4opaque, "Subpage-spaced sizes: [", umax2s(sv, 10, s),
|
|
|
|
"..", "");
|
|
|
|
CTL_GET("arenas.sspace_max", &sv, size_t);
|
|
|
|
write4(w4opaque, umax2s(sv, 10, s), "]\n", "", "");
|
|
|
|
|
|
|
|
CTL_GET("arenas.medium_min", &sv, size_t);
|
|
|
|
write4(w4opaque, "Medium sizes: [", umax2s(sv, 10, s), "..",
|
|
|
|
"");
|
|
|
|
CTL_GET("arenas.medium_max", &sv, size_t);
|
|
|
|
write4(w4opaque, umax2s(sv, 10, s), "]\n", "", "");
|
|
|
|
|
|
|
|
CTL_GET("opt.lg_dirty_mult", &ssv, ssize_t);
|
|
|
|
if (ssv >= 0) {
|
2010-01-20 04:11:25 +08:00
|
|
|
write4(w4opaque,
|
|
|
|
"Min active:dirty page ratio per arena: ",
|
2010-01-28 05:10:55 +08:00
|
|
|
umax2s((1U << ssv), 10, s), ":1\n", "");
|
2010-01-17 01:53:50 +08:00
|
|
|
} else {
|
2010-01-20 04:11:25 +08:00
|
|
|
write4(w4opaque,
|
|
|
|
"Min active:dirty page ratio per arena: N/A\n", "",
|
|
|
|
"", "");
|
2010-01-17 01:53:50 +08:00
|
|
|
}
|
|
|
|
#ifdef JEMALLOC_TCACHE
|
2010-01-28 05:10:55 +08:00
|
|
|
if ((err = mallctl("opt.lg_tcache_nslots", &sv, &ssz, NULL, 0))
|
|
|
|
== 0) {
|
|
|
|
size_t tcache_nslots, tcache_gc_sweep;
|
|
|
|
|
|
|
|
tcache_nslots = (1U << sv);
|
|
|
|
write4(w4opaque, "Thread cache slots per size class: ",
|
|
|
|
tcache_nslots ? umax2s(tcache_nslots, 10, s) :
|
|
|
|
"N/A", "\n", "");
|
|
|
|
|
|
|
|
CTL_GET("opt.lg_tcache_gc_sweep", &ssv, ssize_t);
|
|
|
|
tcache_gc_sweep = (1U << ssv);
|
|
|
|
write4(w4opaque, "Thread cache GC sweep interval: ",
|
|
|
|
tcache_nslots && ssv >= 0 ? umax2s(tcache_gc_sweep,
|
|
|
|
10, s) : "N/A", "\n", "");
|
|
|
|
}
|
2010-01-17 01:53:50 +08:00
|
|
|
#endif
|
2010-01-28 05:10:55 +08:00
|
|
|
CTL_GET("arenas.chunksize", &sv, size_t);
|
|
|
|
write4(w4opaque, "Chunk size: ", umax2s(sv, 10, s), "", "");
|
|
|
|
CTL_GET("opt.lg_chunk", &sv, size_t);
|
|
|
|
write4(w4opaque, " (2^", umax2s(sv, 10, s), ")\n", "");
|
2010-01-17 01:53:50 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef JEMALLOC_STATS
|
|
|
|
{
|
2010-01-28 05:10:55 +08:00
|
|
|
int err;
|
2010-01-30 03:24:19 +08:00
|
|
|
size_t ssz;
|
|
|
|
size_t allocated, active, mapped;
|
2010-01-28 05:10:55 +08:00
|
|
|
size_t chunks_current, chunks_high, swap_avail;
|
|
|
|
uint64_t chunks_total;
|
|
|
|
size_t huge_allocated;
|
|
|
|
uint64_t huge_nmalloc, huge_ndalloc;
|
2010-01-17 01:53:50 +08:00
|
|
|
|
2010-01-28 05:10:55 +08:00
|
|
|
ssz = sizeof(size_t);
|
2010-01-17 01:53:50 +08:00
|
|
|
|
2010-01-28 05:10:55 +08:00
|
|
|
CTL_GET("stats.allocated", &allocated, size_t);
|
2010-01-30 03:24:19 +08:00
|
|
|
CTL_GET("stats.active", &active, size_t);
|
2010-01-28 05:10:55 +08:00
|
|
|
CTL_GET("stats.mapped", &mapped, size_t);
|
2010-01-20 04:11:25 +08:00
|
|
|
malloc_cprintf(write4, w4opaque,
|
2010-01-30 03:24:19 +08:00
|
|
|
"Allocated: %zu, active: %zu, mapped: %zu\n", allocated,
|
|
|
|
active, mapped);
|
2010-01-17 01:53:50 +08:00
|
|
|
|
|
|
|
/* Print chunk stats. */
|
2010-01-28 05:10:55 +08:00
|
|
|
CTL_GET("stats.chunks.total", &chunks_total, uint64_t);
|
|
|
|
CTL_GET("stats.chunks.high", &chunks_high, size_t);
|
|
|
|
CTL_GET("stats.chunks.current", &chunks_current, size_t);
|
2010-01-30 03:24:19 +08:00
|
|
|
if ((err = mallctl("swap.avail", &swap_avail, &ssz, NULL, 0))
|
|
|
|
== 0) {
|
2010-01-28 05:10:55 +08:00
|
|
|
size_t lg_chunk;
|
2010-01-25 08:41:01 +08:00
|
|
|
|
2010-01-20 04:11:25 +08:00
|
|
|
malloc_cprintf(write4, w4opaque, "chunks: nchunks "
|
2010-01-28 05:10:55 +08:00
|
|
|
"highchunks curchunks swap_avail\n");
|
|
|
|
CTL_GET("opt.lg_chunk", &lg_chunk, size_t);
|
2010-01-25 08:41:01 +08:00
|
|
|
malloc_cprintf(write4, w4opaque,
|
2010-01-28 05:10:55 +08:00
|
|
|
" %13"PRIu64"%13zu%13zu%13zu\n",
|
|
|
|
chunks_total, chunks_high, chunks_current,
|
|
|
|
swap_avail << lg_chunk);
|
|
|
|
} else {
|
|
|
|
malloc_cprintf(write4, w4opaque, "chunks: nchunks "
|
|
|
|
"highchunks curchunks\n");
|
|
|
|
malloc_cprintf(write4, w4opaque,
|
|
|
|
" %13"PRIu64"%13zu%13zu\n",
|
|
|
|
chunks_total, chunks_high, chunks_current);
|
2010-01-17 01:53:50 +08:00
|
|
|
}
|
|
|
|
|
2010-01-28 05:10:55 +08:00
|
|
|
/* Print huge stats. */
|
|
|
|
CTL_GET("stats.huge.nmalloc", &huge_nmalloc, uint64_t);
|
|
|
|
CTL_GET("stats.huge.ndalloc", &huge_ndalloc, uint64_t);
|
|
|
|
CTL_GET("stats.huge.allocated", &huge_allocated, size_t);
|
2010-01-20 04:11:25 +08:00
|
|
|
malloc_cprintf(write4, w4opaque,
|
2010-01-17 01:53:50 +08:00
|
|
|
"huge: nmalloc ndalloc allocated\n");
|
2010-01-25 08:41:01 +08:00
|
|
|
malloc_cprintf(write4, w4opaque,
|
|
|
|
" %12"PRIu64" %12"PRIu64" %12zu\n",
|
2010-01-20 04:11:25 +08:00
|
|
|
huge_nmalloc, huge_ndalloc, huge_allocated);
|
2010-01-17 01:53:50 +08:00
|
|
|
|
2010-01-18 09:35:19 +08:00
|
|
|
if (merged) {
|
2010-01-28 05:10:55 +08:00
|
|
|
unsigned narenas;
|
|
|
|
|
|
|
|
CTL_GET("arenas.narenas", &narenas, unsigned);
|
|
|
|
{
|
|
|
|
bool initialized[narenas];
|
|
|
|
size_t isz;
|
|
|
|
unsigned i, ninitialized;
|
|
|
|
|
|
|
|
isz = sizeof(initialized);
|
|
|
|
xmallctl("arenas.initialized", initialized,
|
|
|
|
&isz, NULL, 0);
|
|
|
|
for (i = ninitialized = 0; i < narenas; i++) {
|
|
|
|
if (initialized[i])
|
|
|
|
ninitialized++;
|
2010-01-18 09:35:19 +08:00
|
|
|
}
|
2010-01-25 09:21:47 +08:00
|
|
|
|
2010-01-28 05:10:55 +08:00
|
|
|
if (ninitialized > 1) {
|
|
|
|
/* Print merged arena stats. */
|
|
|
|
malloc_cprintf(write4, w4opaque,
|
|
|
|
"\nMerge arenas stats:\n");
|
|
|
|
stats_arena_print(write4, w4opaque,
|
|
|
|
narenas);
|
|
|
|
}
|
2010-01-25 09:21:47 +08:00
|
|
|
}
|
2010-01-18 09:35:19 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
if (unmerged) {
|
2010-01-28 05:10:55 +08:00
|
|
|
unsigned narenas;
|
|
|
|
|
2010-01-18 09:35:19 +08:00
|
|
|
/* Print stats for each arena. */
|
2010-01-28 05:10:55 +08:00
|
|
|
|
|
|
|
CTL_GET("arenas.narenas", &narenas, unsigned);
|
|
|
|
{
|
|
|
|
bool initialized[narenas];
|
|
|
|
size_t isz;
|
|
|
|
unsigned i;
|
|
|
|
|
|
|
|
isz = sizeof(initialized);
|
|
|
|
xmallctl("arenas.initialized", initialized,
|
|
|
|
&isz, NULL, 0);
|
|
|
|
|
|
|
|
for (i = 0; i < narenas; i++) {
|
|
|
|
if (initialized[i]) {
|
|
|
|
malloc_cprintf(write4, w4opaque,
|
|
|
|
"\narenas[%u]:\n", i);
|
|
|
|
stats_arena_print(write4,
|
|
|
|
w4opaque, i);
|
|
|
|
}
|
2010-01-18 09:35:19 +08:00
|
|
|
}
|
2010-01-17 01:53:50 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif /* #ifdef JEMALLOC_STATS */
|
2010-01-20 04:11:25 +08:00
|
|
|
write4(w4opaque, "--- End jemalloc statistics ---\n", "", "", "");
|
2010-01-17 01:53:50 +08:00
|
|
|
}
|